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### 011-ParaB Sings: "Cosine It"

posted Feb 19, 2012, 7:43 AM by Gregory Taylor   [ updated Feb 19, 2012, 8:36 AM ]
 PARAB SINGS 03(y-k)2 - 4p(x-h) presents...."Cosine It"  (*aka "Co-Pilot", Kristina Maria)featuring PARA!--------    Official Bilingual Video:  YouTube Here    English Only Version:  YouTube Here   - use the ( ) lyrics***[Para:]You know -Cosine it! Cosine i-i-it! Cosine it![ParaB:]We can use this triangle rightWhere hypotenuse is one...An adjacent can be foundOnce an angle measure's done.  (Whoa.)There's no need to have a right angle at allTake any triangle since there's a lawCome on the formula you can recall.  (So...)[Chorus:]When given side-side-side start with PythagorusSubtracting 2-a-b times cos C is enoughCome on you can assign itLater inverse cosine itYes, you inverse cosine it  (ay ay)Or with side-angle-side, find the side you don't knowThe contained angle, that makes this possibleCome on you can assign itOh, this time we cosine itSurely you can cosine itFor angles we'll have to decideHow to start, so which is worst...Best start with the largestObtuse then gets dealt with first.  (Ohhhh)(You see) There's no need to have a right angle at allTake any triangle since there's a lawCome on the formula you can recall.  (So...)[Chorus:](Because) when given side-side-side start with PythagorusSubtracting 2-a-b times cos C is enoughCome on you can assign itLater inverse cosine itYes, you inverse cosine itOr with side-angle-side, find the side you don't knowThe contained angle, that makes this possibleCome on you can assign itOh, this time we cosine itSurely you can cosine it  (Yeaaah!)You know:Cosine it! Cosine it! Cosine it! (ay ay ay)Inverse:Cosine it! Cosine it! Cosine it! (ay ay)    (Cause we know what to doooo)'Cos we know what to do, we'll have vectors debut,Well, after the inverse of a negative is known to be up in Quad 2Because we know what we must do, we'll use dot product with flair    (Dot product with flair!)Well, after the inverse of a negative is known to be up in Quad 2,And obtuse!(C'mon, you see...)Subtracting 2-a-b times cos C is enoughLater inverse cosine it[Chorus:]When given side-side-side start with PythagorusSubtracting 2-a-b times cos C is enoughCome on you can assign itLater inverse cosine itYes, you inverse cosine it  (ay ay)Or with side-angle-side, find the side you don't knowThe contained angle, that makes this possible    (That makes this possible!)Come on you can assign itOh, this time we cosine it!You know!
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